Fisher Scientifichas both a demonstration kit (Alfa Aesar 36117QA) and exploration kit (CS1K5). They accept VISA/MC/AMEX. Tel: Toll free 800-766-7000 or 800-955-1177. E-mail is not recommended, due to a lack of response.

Tel-Atomic, Inc.
offers many science-related kits. But they are pricey. They have both YBCO and BSCCO
superconductor kits that demonstrate the Meissner and AC Josephson effects, Tc, Hc, and Jc.
Located in Jackson, Michigan, USA. Call 800-622-2866. E-mail: sales@telatomic.com.

Images Company
offers a number of demonstration kits based on YBCO. Most noteworthy are 2 low-cost
Dewars offered to hold and transport liquid nitrogen (LN2). These are much less
expensive than a standard research-grade Dewar, with better insulation characteristics
than a thermos bottle. Contact: Images Company, 39 Seneca Loop, Staten Island NY 10314.
Phone: (718) 698-8305, Fax: (718) 982-6145. E-mail: images@imagesco.com